Auxiliary battery encasement



FIG. 1 is an isometric view of a battery encasement showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is a rear elevational view. 

The ornamental design for an auxiliary battery encasement, as shown and described. 